The writeup archive

Every challenge I've solved and documented. Search by name, filter by discipline or event — no login, no gatekeeping.

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146 writeups

The Secure Trust Bank — RAG Data Leakage

15 Aug 2026 • 3 min read

This challenge demonstrates a RAG (Retrieval-Augmented Generation) data leakage vulnerability. An AI chatbot exposes restricted/classified documents through its retrieval layer, and the…

GENCYSCTF

SecureTrust Mobile — Forgotten

15 Aug 2026 • 3 min read

Mobile

The challenge presents a "QA" build of a mobile app. Solving it requires:

GENCYSCTF